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3 years ago

Which expression represents an unknown number minus 45?

Mathematics

1 answer:

lara [203]3 years ago

8 0

I believe the answer is : B

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Fabio and Gwen are saving money to buy a new gaming station. They need at least $510 to purchase the new gaming station. Gwen we

Phoenix [80]

Answer-

Set of constraints to model the problem are,

$12x+9y\geq 510$

$y \leq 2x$

$y \geq 25$

Solution-

x = the number of lawns weeded by Gwen,

y = the number of dogs walked by Fabio.

As, Gwen charges $12 each time she weeds a yard and Fabio charges $9 each time he walks a dog,

$\text{Earnings of Gwen} = 12x$

$\text{Earnings of Fabio} = 9y$

$\text{Total earning} = 12x+9y$

They need at least $510 to purchase the new gaming station, means they need $510 or more than $510.

The equation for this is,

$12x+9y\geq 510$

The number of dog walks that Fabio has scheduled is no more than twice the number of yards Gwen has scheduled to weed, means

y must be less than or equal to 2x.

The equation for this is,

$y \leq 2x$

Fabio will walk at least 25 dogs, means y must be greater than of equal to 25.

The equation for this is,

$y \geq 25$

8 0

3 years ago

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the smaller rectangle is a 1/4 scale drawing of the original figure. Use the drop-down menus to show the missing dimensions of t

mihalych1998 [28]

Answer:the answer is 363

Step-by-step explanation:

4 0

3 years ago

Jennifer wants to convert 7.85 meters to centimeters but she does not have paper pencil or calculator describe a method she can

lilavasa [31]

She can move the decemal place 2 places to the right because a centimeter is 100 times smaller than a meter. so it would be 785 centimeters

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3 years ago

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Give one example of when you would draw a diagram to solve an angle measurement problem

adell [148]

An example of an angle measurement problem is when trying to calculate for the height of a particular object given the distance of the observer from the object and the angle of elevation or depression. For example, you want to find out the height of a building. All you need to know is the distance of your point of origin to the building and the angle of elevation.

5 0

3 years ago

This graph shows a portion of an odd function.

nexus9112 [7]

9514 1404 393

Answer:

-2
-1
-2
-3

Step-by-step explanation:

An odd function is symmetrical about the origin:

f(-x) = -f(x)

So, ...

f(-2) = -f(2) = -2

f(-3) = -f(3) = -1

f(-4) = -f(4) = -2

f(-6) = -f(6) = -3

6 0

2 years ago